821493918

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 192

約数和(自身を含む): 2246400000

約数和(自身を除く): 1424906082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 47, 49, 57, 63, 94, 98, 114, 126, 133, 141, 147, 149, 171, 266, 282, 294, 298, 329, 342, 343, 399, 423, 441, 447, 658, 686, 798, 846, 882, 893, 894, 931, 987, 1029, 1043, 1197, 1341, 1786, 1862, 1974, 2058, 2086, 2303, 2394, 2679, 2682, 2793, 2831, 2961, 3087, 3129, 4606, 5358, 5586, 5662, 5922, 6174, 6251, 6258, 6517, 6909, 7003, 7301, 8037, 8379, 8493, 9387, 12502, 13034, 13818, 14006, 14602, 16074, 16121, 16758, 16986, 18753, 18774, 19551, 19817, 20727, 21009, 21903, 25479, 32242, 37506, 39102, 39634, 41454, 42018, 43757, 43806, 48363, 49021, 50958, 51107, 56259, 58653, 59451, 63027, 65709, 87514, 96726, 98042, 102214, 112518, 117306, 118902, 126054, 131271, 131418, 133057, 138719, 145089, 147063, 153321, 178353, 262542, 266114, 277438, 290178, 294126, 306299, 306642, 343147, 356706, 393813, 399171, 416157, 441189, 459963, 612598, 686294, 787626, 798342, 832314, 882378, 918897, 919926, 931399, 971033, 1029441, 1197513, 1248471, 1837794, 1862798, 1942066, 2058882, 2395026, 2402029, 2496942, 2756691, 2794197, 2913099, 3088323, 4804058, 5513382, 5588394, 5826198, 6176646, 6519793, 7206087, 8382591, 8739297, 13039586, 14412174, 16765182, 17478594, 19559379, 21618261, 39118758, 43236522, 45638551, 58678137, 91277102, 117356274, 136915653, 273831306, 410746959, 821493918]

約数ペア:

[(1, 821493918), (2, 410746959), (3, 273831306), (6, 136915653), (7, 117356274), (9, 91277102), (14, 58678137), (18, 45638551), (19, 43236522), (21, 39118758), (38, 21618261), (42, 19559379), (47, 17478594), (49, 16765182), (57, 14412174), (63, 13039586), (94, 8739297), (98, 8382591), (114, 7206087), (126, 6519793), (133, 6176646), (141, 5826198), (147, 5588394), (149, 5513382), (171, 4804058), (266, 3088323), (282, 2913099), (294, 2794197), (298, 2756691), (329, 2496942), (342, 2402029), (343, 2395026), (399, 2058882), (423, 1942066), (441, 1862798), (447, 1837794), (658, 1248471), (686, 1197513), (798, 1029441), (846, 971033), (882, 931399), (893, 919926), (894, 918897), (931, 882378), (987, 832314), (1029, 798342), (1043, 787626), (1197, 686294), (1341, 612598), (1786, 459963), (1862, 441189), (1974, 416157), (2058, 399171), (2086, 393813), (2303, 356706), (2394, 343147), (2679, 306642), (2682, 306299), (2793, 294126), (2831, 290178), (2961, 277438), (3087, 266114), (3129, 262542), (4606, 178353), (5358, 153321), (5586, 147063), (5662, 145089), (5922, 138719), (6174, 133057), (6251, 131418), (6258, 131271), (6517, 126054), (6909, 118902), (7003, 117306), (7301, 112518), (8037, 102214), (8379, 98042), (8493, 96726), (9387, 87514), (12502, 65709), (13034, 63027), (13818, 59451), (14006, 58653), (14602, 56259), (16074, 51107), (16121, 50958), (16758, 49021), (16986, 48363), (18753, 43806), (18774, 43757), (19551, 42018), (19817, 41454), (20727, 39634), (21009, 39102), (21903, 37506), (25479, 32242)]